How does bias negatively affect source material? Check all that apply. It demonstrates a lack of academic expertise on a topic.
It forces an author to address counterarguments.
It may reveal an author’s opinion.
It may led to the presentation of only one side of an argument.
It can influence an author’s purpose.

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design